Product Manual

Maintenance
CAP-834 39
1.
Close the shut-off valve on the pressure network
side and secure it to prevent it from being
opened again.
2.
Open and remove the enclosure panels with the
special wrench.
3.
Use a drip pan to make sure that the leaking oil
is collected.
Condensate is heavier than the oil
Since the condensate is heavier than
the oil, after longer downtimes, it
collects on the bottom of the oil
separator tank.
Fig. 31: Oil drain
4.
Carefully open the oil drain (Fig. 31/1) and
check the liquid being drained.
5.
Slowly drain condensate until oil escapes.
6.
Close the oil drain (Fig. 31/1).
7.
Switch on the compressor and switch it off
again within one minute  controller documen-
tation.
8.
Check the oil level and top up as necessary
 Chapter 7.4.3 ‘Checking the oil level/topping
up the oil’ on page 37.
7.4.5 Checking the compressor
temperature
NOTICE!
Property damage due to compressor
temperature that is too low or too
high!
A compressor temperature that is too
low or too high can cause damage to
the screw compressor.
- For detailed information, contact the
manufacturer.
- The compressor temperature should
be between 158 and 212F (70 °C
and 100 °C).
- At 221F (105 °C) a warning is put
out.
- At 230F (110 °C) the screw
compressor is switched off
automatically.
1.
Check compressor temperature.
7.4.6 Inspect/clean coolers
1.
Close the shut-off valve on the pressure network
side and secure it to prevent it from being
opened again.
2.
Open and remove the enclosure panels with the
special wrench.
3.
Check after cooler and oil cooler from inside and
outside for dirt.
4.
Clean cooler surfaces.
Dirt can be removed by blowing it
out. While doing this, make sure
that the dirt from the device is blown
out of rather than into the machine.
In case of severe dirt buildup,
consult the manufacturer.